Google Gets Duplicate Content Detection Patent

Google has gained an important patent from US Patent office for 'Methods and apparatus for estimating similarity'. Google had filed for it on December 31, 2001. Using this patent, the search engine giant can develop duplicate content detection tools for the webmasters.

The US Patent Office explains on the new patent, “A similarity engine generates compact representations of objects called sketches. Sketches of different objects can be compared to determine the similarity between the two objects. The sketch for an object may be generated by creating a vector corresponding to the object, where each coordinate of the vector is associated with a corresponding weight. The weight associated with each coordinate in the vector is multiplied by a predetermined hashing vector to generate a product vector, and the product vectors are summed. The similarity engine may then generate a compact representation of the object based on the summed product vector”.

A WebmasterWorld Forum thread says,"Anything they do to reduce duplicate content showing up in SERPS is a good thing. Thanks to Google for trying to help web users sick of seeing copies".

Navneet Kaushal

Navneet Kaushal is the founder and CEO of PageTraffic, an SEO Agency in India with offices in Chicago, Mumbai and London. A leading search strategist, Navneet helps clients maintain an edge in search engines and the online media. Navneet's expertise has established PageTraffic as one of the most awarded and successful search marketing agencies.

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